package thyyxxk.webserver.api.dpcc;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;
import thyyxxk.webserver.api.dpcc.model.MedicalCheckResult;
import thyyxxk.webserver.api.dpcc.model.MedicalPrescription;
import thyyxxk.webserver.api.dpcc.model.PatientInfo;
import thyyxxk.webserver.api.medicallaboratory.model.Category;
import thyyxxk.webserver.config.auth.PassToken;
import thyyxxk.webserver.dao.his.api.DpccDao;
import thyyxxk.webserver.entity.examinations.inspections.request.PatType;
import thyyxxk.webserver.entity.examinations.inspections.request.ReportIndexInquiry;
import thyyxxk.webserver.factory.examreport.ExamReportService;
import thyyxxk.webserver.factory.examreport.model.*;
import thyyxxk.webserver.service.TokenService;
import thyyxxk.webserver.utils.DateUtil;
import thyyxxk.webserver.utils.StringUtil;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;

@Slf4j
@RestController
@RequestMapping("/api/dpcc")
public class DpccController {

    private static final String TOKEN_URL = "https://manage.national-dpcc.com/api/sino-auth/oauth/token";
    private static final String CHECK_URL = "https://manage.national-dpcc.com/api/sino-common/access-client/uploadHisCheckData";
    private static final String DRUG_URL = "https://manage.national-dpcc.com/api/sino-common/access-client/uploadHisDrugData";

    private final DpccDao dao;
    private final TokenService tokenService;

    @Autowired
    public DpccController(DpccDao dao, TokenService tokenService) {
        this.dao = dao;
        this.tokenService = tokenService;
    }

    @PassToken
    @GetMapping("/getToken")
    public String getToken() {
        String clientName = "sino-client-csthyy";
        String clientSecret = "sino-client-csthyy";
        HttpHeaders headers = new HttpHeaders();
        headers.setBasicAuth(clientName, clientSecret);

        String url = TOKEN_URL + "?grant_type=access_client&" +
                "username=sino-client-csthyy&" +
                "password=d60dc4bf4acfa8956cd6819dba6966d0dab1ddac";

        JSONObject response = new RestTemplate().postForObject(url,
                new HttpEntity<>(null, headers), JSONObject.class);
        log.info("DPCC获取TOKEN：{}", response);
        if (null == response) {
            return "ERROR:NETWORK_ERROR";
        }
        Integer code = response.getInteger("code");
        if (null == code) {
            return "ERROR:NETWORK_ERROR";
        }
        if (code != 200) {
            return "ERROR:" +  response.getString("msg");
        }
        return response.getJSONObject("data").getString("access_token");
    }

    @PassToken
    @GetMapping("/uploadHisData")
    public String uploadHisData(@RequestParam("token") String token) throws Exception {
        log.info("DPCC上传请求：{}", token);
        List<PatientInfo> inpatientList = dao.getInpatientList();
        List<PatientInfo> outpatientList = dao.getOutpatientList();
        if (inpatientList.isEmpty() && outpatientList.isEmpty()) {
            return "没有需要上传的数据。";
        }

        ReportIndexInquiry inquiry = getReportIndexInquiry();

        uploadInpatientCheck(inpatientList, inquiry, token);
        uploadOutpatientCheck(outpatientList, inquiry, token);

        uploadInpatientDrug(inpatientList, token);
        uploadOutpatientDrug(outpatientList, token);
        return "OK";
    }

    @PassToken
    @GetMapping("/uploadMzDpcc")
    public String uploadMzYp(@RequestParam("pat") String pat,
                             @RequestParam("day") Integer day) throws Exception {
        String token = tokenService.getDpccToken();
        ReportIndexInquiry inquiry = getReportIndexInquiry();
        log.info("DPCC上传请求：{}, {}", pat, day);
        List<PatientInfo> outpatientList;
        if (pat.contains("_")) {
            String[] patinfo = pat.split("_");
            String patientId = patinfo[0];
            int times = Integer.parseInt(patinfo[1]);
            String socialNo = dao.getSocialNo(patientId);
            PatientInfo pi = new PatientInfo();
            pi.setPatNo(patientId);
            pi.setTimes(times);
            pi.setSource("1");
            pi.setIdCard(socialNo);
            outpatientList = new ArrayList<>();
            outpatientList.add(pi);
            Map<String, String> map = dao.getStartAndEndDate(patientId, times);
            if (null != map) {
                inquiry.setReqStartTime(map.get("start"));
                inquiry.setReqEndTime(map.get("endd"));
            }
        } else {
            outpatientList = dao.getOutpatientList2(day);
        }
        if (outpatientList.isEmpty()) {
            return "没有需要上传的数据。";
        }
        uploadOutpatientCheck(outpatientList,inquiry,token);
        uploadOutpatientDrug(outpatientList, token);
        return "OK";
    }

    private ReportIndexInquiry getReportIndexInquiry() {
        String now = DateUtil.formatDate(new Date());
        String start = now + " 00:00:00";
        String end = now + " 23:59:59";
        ReportIndexInquiry inquiry = new ReportIndexInquiry();
        inquiry.setReqStartTime(start);
        inquiry.setReqEndTime(end);
        inquiry.setReportCategory(Category.JY);
        return inquiry;
    }

    private void uploadInpatientCheck(List<PatientInfo> inpatientList, ReportIndexInquiry inquiry, String token) throws Exception {
        inquiry.setPatType(PatType.InPatient);
        for (PatientInfo inpatient : inpatientList) {
            queryCheckAndUpload(inquiry, inpatient, token);
        }
    }

    private void uploadOutpatientCheck(List<PatientInfo> outpatientList, ReportIndexInquiry inquiry, String token) throws Exception {
        inquiry.setPatType(PatType.OutPatient);
        for (PatientInfo outpatient : outpatientList) {
            queryCheckAndUpload(inquiry, outpatient, token);
        }
    }

    private List<ExamIndexResponse> getExamIndex(ReportIndexInquiry inquiry) {
        ExamIndexRequest request = new ExamIndexRequest.Builder()
                .patientNumType(inquiry.getPatType()).patientNum(inquiry.getPatNo())
                .startDate(inquiry.getReqStartTime()).endDate(inquiry.getReqEndTime()).build();
        ExamReportService examReportService = new ExamReportService();
        return examReportService.queryExamIndex(request);
    }

    private ExamDetailResponse getExamDetail(String reportId) {
        ExamReportService examReportService = new ExamReportService();
        return examReportService.queryExamDetail(reportId);
    }

    private boolean reportTimeValid(ExamDetailOrder order) {
        Date auditTime = DateUtil.parse(order.getAudtTime());
        if (null == auditTime) {
            return false;
        }
        Date now = new Date();
        long diff = now.getTime() - auditTime.getTime();
        return diff / 1000 / 60 / 60 <= 72;
    }

    private void queryCheckAndUpload(ReportIndexInquiry inquiry, PatientInfo patient, String token) throws Exception {
        List<MedicalCheckResult> checkResultBatches = new ArrayList<>();
        inquiry.setPatNo(patient.getPatNo());
        List<ExamIndexResponse> indexList = getExamIndex(inquiry);
        for (ExamIndexResponse index : indexList) {
            ExamDetailResponse detail = getExamDetail(index.getReportId());
            if (reportTimeValid(detail.getOrder())) {
                patient.setReportId(index.getReportId());
                patient.setInspectTime(detail.getOrder().getInspectTime());
                if (StringUtil.isBlank(patient.getInspectTime())) {
                    patient.setInspectTime(detail.getOrder().getAudtTime());
                }
                for (ExamDetailItem item : detail.getItems()) {
                    if (StringUtil.isBlank(item.getItmUnit())) {
                        continue;
                    }
                    if (StringUtil.isBlank(item.getItmValue()) && StringUtil.isBlank(item.getItmStrValue())) {
                        continue;
                    }
                    checkResultBatches.add(getMedicalCheckResult(patient, item));
                    if (checkResultBatches.size() == 100) {
                        executeUploadChecks(checkResultBatches, token, patient.getPatNo(), patient.getTimes());
                    }
                }
            }
        }
        if (!checkResultBatches.isEmpty()) {
            executeUploadChecks(checkResultBatches, token, patient.getPatNo(), patient.getTimes());
        }
    }

    private MedicalCheckResult getMedicalCheckResult(PatientInfo patient, ExamDetailItem item) {
        MedicalCheckResult checkResult = new MedicalCheckResult();
        checkResult.setSource(patient.getSource());
        checkResult.setIdCard(patient.getIdCard());
        checkResult.setPatientNo(patient.getPatNo());
        checkResult.setCheckNo(patient.getReportId());
        checkResult.setTestTime(patient.getInspectTime());
        checkResult.setHisItemCode(item.getItmCode());
        checkResult.setHisItemName(item.getItmName());
        checkResult.setHisItemResult(item.getItmValue());
        if (StringUtil.isBlank(checkResult.getHisItemResult())) {
            checkResult.setHisItemResult(item.getItmStrValue());
        }
        checkResult.setHisItemUnit(item.getItmUnit());
        checkResult.setUniqueIndex(patient.getReportId() + "_" + item.getItmId());
        return checkResult;
    }

    private void uploadInpatientDrug(List<PatientInfo> inpatientList, String token) throws Exception {
        List<MedicalPrescription> drugBatches = new ArrayList<>();
        for (PatientInfo inpatient : inpatientList) {
            String patNo = inpatient.getPatNo();
            List<MedicalPrescription> drugs = dao.getInpatientDrugs(inpatient);
            for (MedicalPrescription item : drugs) {
                item.setIdCard(inpatient.getIdCard());
                drugBatches.add(item);
                if (drugBatches.size() == 100) {
                    executeUploadDrugs(drugBatches, token, patNo, -1);
                    drugBatches.clear();
                }
            }
            if (!drugBatches.isEmpty()) {
                executeUploadDrugs(drugBatches, token, patNo, -1);
            }
        }
    }

    private void uploadOutpatientDrug(List<PatientInfo> outpatientList, String token) throws Exception {
        for (PatientInfo outpatient : outpatientList) {
            String patNo = outpatient.getPatNo();
            int times = outpatient.getTimes();
            List<MedicalPrescription> drugBatches = new ArrayList<>();
            List<MedicalPrescription> drugs = dao.getOutpatientDrugs(outpatient);
            for (MedicalPrescription item : drugs) {
                item.setIdCard(outpatient.getIdCard());
                drugBatches.add(item);
                if (drugBatches.size() == 100) {
                    executeUploadDrugs(drugBatches, token, patNo, times);
                    drugBatches.clear();
                }
            }
            if (!drugBatches.isEmpty()) {
                executeUploadDrugs(drugBatches, token, patNo, times);
            }
        }
    }

    private void executeUploadChecks(List<MedicalCheckResult> checkBatches,
                                     String token, String patNo, int times) throws Exception {
        String json = JSON.toJSONString(checkBatches);
        log.info("DPCC上传检验：{}, {}", patNo, times);
        uploadToSino(DpccEncryptUtil.encrypt(json), Type.CHECK, token);
    }

    private void executeUploadDrugs(List<MedicalPrescription> drugBatches,
                                    String token, String patNo, int times) throws Exception {
        String json = JSON.toJSONString(drugBatches);
        log.info("DPCC上传药品：{}, {}", patNo, times);
        int res = uploadToSino(DpccEncryptUtil.encrypt(json), Type.DRUG, token);
        if (res == 200 && times != -1) {
            dao.updateDpccFlag(patNo, times);
        }
    }

    private int uploadToSino(String encrypt, Type type, String token) {
        String url = type == Type.CHECK ? CHECK_URL : DRUG_URL;
        String label = type == Type.CHECK ? "检验" : "药品";
        HttpHeaders headers = new HttpHeaders();
        headers.add("Sino-auth", token);
        JSONObject data = new JSONObject();
        data.put("data", encrypt);
        HttpEntity<JSONObject> body = new HttpEntity<>(data, headers);
        String response = new RestTemplate().postForObject(url, body, String.class);
        log.info("DPCC上传{}返回：{}", label, response);
        if (StringUtil.notBlank(response)) {
            JSONObject json = JSON.parseObject(response);
            Integer code = json.getInteger("code");
            return null == code ? -1 : code;
        }
        return -1;
    }

    enum Type {
        CHECK,
        DRUG,
    }
}